So this bug has been around for such a while now, and i felt that i should create a report about this once and for all.
When you're in combat, and your opponent deals you a hit that would be 'fatal' the hit registers 0.5 seconds before your actual death occurs. within that 0.5 seconds, you CAN'T eat. The game has the hit registered before you die, so at that moment, not much can save you (probably only an earlier casted teleport that has the perfect timing).
I've realized this in so many different scenarios, mostly pking for me.
Could this be fixed? because it's really affecting the possible risks you can take in a pvp situation and i've heard from people that it's a nuisance in pvm scenarios.